Philadelphia's Clutch of Mammon is a one-man black and doom metal project with psychedelic undertones, releasing a steady stream of albums and EPs including Zrada and Alma. The project balances raw atmospheric black metal with oppressive doom, operating as an independent and prolific solo endeavor.

Malvern, Pennsylvania death metal band Coffin Born deliver straight-ahead brutality from the Philadelphia suburbs with a focus on crushing heaviness and dark themes. They represent the reliable depth of Pennsylvania's death metal underground beyond the city proper.

Philadelphia, Pennsylvania's Coffin Dust are a ferocious crossover thrash and death metal band that blast through songs with the speed and aggression of both traditions in full force. Philly's fertile extreme metal scene has produced few acts as relentlessly energetic.

Philadelphia black metal project Coffins Across Hiroshima conjure cold, desolate soundscapes built on tremolo-driven guitars and bleak atmosphere steeped in apocalyptic imagery.

Hailing from the rust-belt city of Erie, Pennsylvania, Cold in the Soul trades in depressive black metal that mirrors the grey, lake-effect bleakness of their hometown — slow-burning and harrowing.

Pittsburgh technical deathcore act Coltcrusher bring surgical precision to their breakdowns, fusing angular tech-death riffing with deathcore brutality that hits like a freight train. Their sound is intricate but never loses its menace.

Pittsburgh's Commit Suicide combine brutal death metal's punishing low-end with grindcore's breakneck pace, producing something overwhelmingly violent and mercilessly fast. The Steel City underground runs deep in their veins.

Pittsburgh grindcore unit Complete Failure wage a relentless campaign of short, ferocious songs built on blastbeats and filth-encrusted riffs, squeezing maximum carnage into minimum runtime.

Tullytown, Pennsylvania's Concoct stir together death metal's extremity and groove metal's rhythmic swagger, concocting a sound built for pit-ready heaviness.